<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片区域 -->
    <el-card class="box-card">
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="7">
          <el-input
            clearable
            @clear="getUserList"
            placeholder="请输入姓名搜索"
            v-model="queryInfo.query"
            class="input-with-select"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="6">
          <el-button type="primary" @click="addDialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="userList" stripe border>
        <el-table-column type="index"></el-table-column>
        <el-table-column prop="username" label="姓名"> </el-table-column>
        <el-table-column prop="email" label="邮箱"> </el-table-column>
        <el-table-column prop="mobile" label="电话"> </el-table-column>
        <el-table-column prop="role_name" label="角色"></el-table-column>
        <el-table-column prop="mg_state" label="状态">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="score">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showChangeDialog(score.row.id)"
            ></el-button>
            <el-button
              @click="removeUserById(score.row.id)"
              type="danger"
              icon="el-icon-delete"
              size="mini"
            ></el-button>
            <el-tooltip
              class="item"
              effect="dark"
              content="角色分配"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>

      <!-- 添加用户对话框 -->
      <el-dialog
        title="添加用户"
        @close="addDialogClosed"
        :visible.sync="addDialogVisible"
        width="50%"
      >
        <!-- 表单 -->
        <el-form
          :model="addForm"
          :rules="addFormRules"
          ref="addFormRef"
          class="demo-ruleForm"
          label-width="70px"
        >
          <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password" type="password"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <!-- 底部区域 -->
        <span slot="footer" class="dialog-footer">
          <el-button @click="addDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
      </el-dialog>

      <!-- 修改用户对话框 -->
      <el-dialog
        title="修改用户信息"
        @close="changeDialogClosed"
        :visible.sync="changeDialogVisible"
        width="50%"
      >
        <!-- 表单 -->
        <el-form
          :model="changeForm"
          :rules="addFormRules"
          ref="changeFormRef"
          label-width="70px"
        >
          <el-form-item label="用户名">
            <el-input v-model="changeForm.username" disabled></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="changeForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="changeForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <!-- 底部区域 -->
        <span slot="footer" class="dialog-footer">
          <el-button @click="changeDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="changeUser">确 定</el-button>
        </span>
      </el-dialog>
    </el-card>
  </div>
</template>

<script>
export default {
  components: {},
  props: {},
  data() {
    // 验证手机号的规则
    let checkMobile = (rule, value, cb) => {
      // 验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/;
      if (regMobile.test(value)) {
        return cb();
      }
      cb(new Error("请输入合法的手机号"));
    };
    return {
      // 获取用户列表的参数对象
      queryInfo: {
        query: "",
        // 当前的页数
        pagenum: 1,
        // 当前每页显示多少条数据
        pagesize: 10,
      },
      userList: [],
      total: 0,
      // 控制添加用户对话框的显示与隐藏
      addDialogVisible: false,
      // 添加用户表单数据
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },
      // 添加表单的验证规则对象
      addFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "长度在 3~10 个字符之间",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            min: 6,
            max: 16,
            message: "长度在 6 到 16 个字符",
            trigger: "blur",
          },
        ],
        email: [
          { required: true, message: "请输入邮箱地址", trigger: "blur" },
          {
            type: "email",
            message: "请输入正确的邮箱地址",
            trigger: ["blur"],
          },
        ],
        mobile: [
          { required: true, message: "请输入手机", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" },
        ],
      },
      // 修改用户表单数据
      changeForm: {},
      // 控制修改用户信息对话框的显示与隐藏
      changeDialogVisible: false,
    };
  },
  watch: {},
  computed: {},
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get("/users", {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200) {
        return this.$message.error("获取用户列表失败");
      }
      this.userList = res.data.users;
      this.total = res.data.total;
    },
    // 监听 pagesize 改变的事件
    handleSizeChange(newsize) {
      this.queryInfo.pagesize = newsize;
      this.getUserList();
    },
    // 监听 页码值 改变的事件
    handleCurrentChange(currentPage) {
      this.queryInfo.pagenum = currentPage;
      this.getUserList();
    },
    // 监听 switch 开关状态的改变
    async userStateChanged(userInfo) {
      const { data: res } = await this.$http.put(
        `users/${userInfo.id}/state/${userInfo.mg_state}`
      );

      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state;
        return this.$message.error("设置用户状态失败");
      }

      this.$message.success(res.meta.msg);
    },
    // 添加用户对话框关闭的回调
    addDialogClosed() {
      this.$refs.addFormRef.resetFields();
    },
    // 点击按钮，添加新用户
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        if (!valid) return;
        // 可以发起添加用户的网络请求
        const { data: res } = await this.$http.post("users", this.addForm);
        if (res.meta.status !== 201) {
          return this.$message.error("添加用户失败");
        }
        this.$message.success("添加用户成功");
        // 隐藏添加用户的对话框
        this.addDialogVisible = false;
        // 重新获取用户列表数据
        this.getUserList();
      });
    },
    // 点击按钮，修改用户信息
    changeUser() {
      // 如果验证不通过直接return
      this.$refs.changeFormRef.validate(async (valid) => {
        if (valid) {
          // 发起请求
          const { data: res } = await this.$http.put(
            `users/${this.changeForm.id}`,
            {
              id: this.changeForm.id,
              email: this.changeForm.email,
              mobile: this.changeForm.mobile,
            }
          );

          if (res.meta.status !== 200)
            return this.$message.error("修改用户信息失败！");
          this.$message.success("修改用户信息成功！");
          this.changeDialogVisible = false;
          // 重新获取用户列表数据
          this.getUserList();
        } else {
          return;
        }
      });
    },
    // 修改用户信息对话框关闭的回调
    changeDialogClosed() {
      this.$refs.changeFormRef.resetFields();
    },
    // 显示修改用户信息对话框
    async showChangeDialog(id) {
      const { data: res } = await this.$http.get(`users/${id}`);
      if (res.meta.status !== 200) {
        return this.$message.error("获取用户信息失败");
      }
      this.changeDialogVisible = true;
      this.changeForm = res.data;
    },
    // 根据id删除单个用户
    async removeUserById(id) {
      // 弹窗询问用户是否删除数据
      const confirmResult = await this.$confirm(
        "此操作将永久删除该文件, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => err);

      // 如果用户确认删除，则放回值为字符串 confirm
      // 如果用户取消了删除，则返回值为字符串 cancel
      if(confirmResult !== 'confirm'){
        return this.$message.info('已取消删除！')
      }
      const {data:res} = await this.$http.delete(`users/${id}`)
      if(res.meta.status !== 200){
        return this.$message.error('删除失败！')
      }
      this.$message.success('删除成功！')
      this.getUserList()
    },
  },
  created() {
    this.getUserList();
  },
  mounted() {},
};
</script>

<style scoped lang="less"></style>
